北京航空航天大学学报 ›› 2011, Vol. 37 ›› Issue (5): 560-563.

• 论文 • 上一篇    下一篇

基于动态逆的高超声速飞行器鲁棒自适应控制

黄喜元1, 王青1, 董朝阳2   

  1. 1. 北京航空航天大学 自动化科学与电气工程学院, 北京 100191;
    2. 北京航空航天大学 航空科学与工程学院, 北京 100191
  • 收稿日期:2010-03-01 出版日期:2011-05-30 发布日期:2011-05-30
  • 作者简介:黄喜元(1983-),男,湖北新洲人,博士生,xy.huang999@gmail.com.

Robust adaptive control for hypersonic vehicle based on dynamic inversion

Huang Xiyuan1, Wang Qing1, Dong Chaoyang2   

  1. 1. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    2. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2010-03-01 Online:2011-05-30 Published:2011-05-30

摘要: 针对高超声速飞行器运动学模型具有高度非线性、多变量耦合及参数不确定等特点,提出了一种基于非线性动态逆的控制系统鲁棒自适应控制器设计方法.该方法将飞行器的运动方程分成速度子系统和高度子系统,利用控制输入的功能分配,并结合虚拟控制指令设计与非线性动态逆技术,实现速度和高度的稳定跟踪.为消除系统中模型不确定性和外界干扰的影响,采用鲁棒自适应滑模控制策略进行补偿.仿真结果表明:所提出的控制器设计方法不仅满足飞行器速度与高度跟踪性能的要求,且对模型不确定性和外干扰具有一定的鲁棒性.

Abstract: For the feature that hypersonic vehicle motion model is highly nonlinear, multivariable coupled and includes uncertain parameters, a robust adaptive control strategy based on nonlinear dynamic inversion for the hypersonic vehicle was proposed. By decomposing the vehicle motion equations into two subsystems, namely, a velocity subsystem and an altitude subsystem, and incorporating the design of virtual control commands and nonlinear dynamic inversion technology, the stable velocity and altitude tracking were achieved. To eliminate the effect of the model uncertainties and external disturbances, the robust adaptive sliding mode control method was adopted. Simulation results show that the proposed method not only satisfies the velocity and altitude tracking performance requirements, but also is robust to model uncertainties and external disturbances.

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